Is this calculator free?

Yes — free, no sign-up, no reference number required.

Which tariff year is this based on?

The most recent NEPRA notification for 2025-26. We update whenever NEPRA revises rates.

K-Electric's tariff mirrors the national inclining-block structure, so the estimate applies with a small margin of error.

SOLAR

Rank the top energy hogs in your home and see quick-win savings.

Your per-unit rate (Rs.)

Ranked by monthly cost

AC 1.5 ton — 288 kWhRs. 10,944

Refrigerator — 108 kWhRs. 4,104

Fans (all) — 108 kWhRs. 4,104

Geyser — 60 kWhRs. 2,280

Iron — 15 kWhRs. 570

Total — 579 kWhRs. 22,002